Christine Nieves is a Puerto Rican community organizer and climate change activist. She is the founder of Emerge Puerto Rico, a community redevelopment non-profit. Nieves focuses on building community resilience before and after environmental disasters, such as Hurricane Maria in 2017 and the series of earthquakes in Puerto Rico in 2020. Her organization, formerly called Apoyo Mutuo Mariana, provided free meals for a mountainous community that was heavily impacted by the storm.